Designing ancillary ligands for heteroleptic/homoleptic zinc complex formation: synthesis, structures and application in ROP of lactides

Jedrzkiewicz D.; Ejfler J.; Gulia N.; John L.; Szafert S.

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Designing ancillary ligands for heteroleptic/homoleptic zinc complex formation: synthesis, structures and application in ROP of lactides

机译：设计用于杂合/均合锌络合物形成的辅助配体：丙交酯的合成，结构及其在ROP中的应用

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Synthesis and characterization of a series of new amino-phenolaphthol ligands (L-1,L-2-H) have been developed and their respective zinc complexes (1 and 2-Zn) have been synthesized. The molecular structures of L-1-H and 1, 2-Zn were explored in detail by NMR, single-crystal X-ray studies and DFT calculations, which confirmed the existence of complexes as stabile dimers both in a solution and in the solid state. All complexes mediate the ring-opening polymerization (ROP) of lactide highly efficiently, at room temperature, in a controlled fashion. The influence of the architecture of the ligand on the desired homo/heteroleptic complex formation, as well as the relationship between the initiator design and the catalytic activity have been investigated.

机译：已经开发了一系列新的氨基苯酚/萘酚配体（L-1，L-2-H）的合成和表征，并且已经合成了它们各自的锌配合物（1和2-Zn）。通过NMR，单晶X射线研究和DFT计算，详细研究了L-1-H和1,2-Zn的分子结构，这证实了溶液和固体中均存在稳定的二聚体。州。在室温下，所有络合物均以受控方式高效地介导丙交酯的开环聚合（ROP）。已经研究了配体的结构对所需的均相/杂合的络合物形成的影响，以及引发剂设计和催化活性之间的关系。

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《Dalton transactions: An international journal of inorganic chemistry》 |2015年第30期|共16页
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Jedrzkiewicz D.; Ejfler J.; Gulia N.; John L.; Szafert S.;
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1. Designing ancillary ligands for heteroleptic/homoleptic zinc complex formation: synthesis, structures and application in ROP of lactides [J] . Jedrzkiewicz D., Ejfler J., Gulia N., Dalton transactions: An international journal of inorganic chemistry . 2015,第30期

机译：设计用于杂合/均合锌络合物形成的辅助配体：丙交酯的合成，结构及其在ROP中的应用
2. Four- and five-coordinate aluminum complexes supported by N,O-bidentate beta-pyrazylenolate ligands: synthesis, structure and application in ROP of epsilon-caprolactone and lactide [J] . Qin Lu, Zhang Yue, Chao Jianbin, Dalton transactions: An international journal of inorganic chemistry . 2019,第32期

机译：由N，O-二齿β-吡嗪酸盐配体支持的四个和五坐标铝配合物：ε-己内酯和丙交酯ROP的合成，结构和应用
3. Homoleptic and heteroleptic silver(Ⅰ) complexes bearing diphosphane and thioamide ligands: Synthesis, structures, DNA interactions and antibacterial activity studies [J] . Varna Despoina, Zainuddin Dini Iflakhah, Hatzidimitriou Antonios G., Materials science & engineering . 2019,第JUNa期

机译：具有二膦和硫酰胺配体的均银和杂银（Ⅰ）配合物：合成，结构，DNA相互作用和抗菌活性的研究
4. New Titanium Complex bearing O, N, N, O-tetradentate Ligands: Synthesis, Characterization and Catalysis on the Ring-opening Polymerization of D, L-lactide [C] . Xiang LI, Bao-jun YANG, Pei WU, International Conference on Biological Sciences and Technology . 2018

机译：新的钛配合物轴承O，N，N，O-四晶体配体：D，L-丙交酯的开环聚合的合成，表征和催化
5. Chemistry of Magnesium and Zinc Complexes Supported by Bulky Ancillary Ligands and their Applications in the Ring-Opening Polymerization Studies of Cyclic Esters. [D] . Wambua, Pasco M. 2014

机译：大体积辅助配体支持的镁和锌配合物的化学及其在环酯开环聚合研究中的应用。
6. Synthesis of the Bacteriostatic Poly(l-Lactide) by Using Zinc (II)(acac)(L)H2O (L = Aminoacid-Based Chelate Ligands) as an Effective ROP Initiator [O] . Renata Barczyńska-Felusiak, Małgorzata Pastusiak, Piotr Rychter, 2021

机译：用锌（II）（ACAC）（L）H 2 O（L =氨基酸基螯合配体）作为有效ROP引发剂的合成抑菌聚（L-丙交酯）
7. Zinc, aluminum and group 3 metal complexes of sterically demanding naphthoxy-pyridine ligands: Synthesis, structure, and use in ROP of racemic lactide and β-butyrolactone [O] . Chapurina, Yulia, Roisnel, Thierry, Carpentier, Jean-François, 2014

机译：空间需求的萘氧基吡啶配体的锌，铝和第3组金属配合物：外消旋丙交酯和β-丁内酯的合成，结构及其在ROP中的用途

Designing ancillary ligands for heteroleptic/homoleptic zinc complex formation: synthesis, structures and application in ROP of lactides

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